I intentionally purchased these headphones to use while running, so my review is based on that. I also really enjoy heavier music, so that is what I have used these headphones for.I have tried bone conduction, headphones, and for some reason I really don’t enjoy them at all. Perhaps it is the shape of my head, but when running with bone conduction, headphones, I find the sound is very disjointed. I also have found bone conduction headphones aren’t particularly well rounded in the sound department. For that reason, I decided to look for other options, which is when I found these Tozo Openbuds.Just like bone conduction, headphones, these do not go inside your ear, like traditional earbuds. Unlike bone conduction, these sit on your ear and use 14.2 mm speakers that project directly into the ear. This makes a few major differences. The first is there can actually be substantial bass. The second is even if you have a large head like myself, the bouncing around while running, won’t make the music bounce around because it isn’t reliant on contact with the side of your head like bone conduction. Overall, a better experience.I do listen to predominantly heavier music, such as metal, metalcore, and some rock music. This is where I had issue with bone conduction, headphones as metal music just doesn’t sound right with them. I understand that with bone conduction the benefit is, you can hear your surroundings which is important while running, but the quality of music dropped significantly for that. These headphones seem to have no issue playing the music I like in an acceptable manner. Instead of being tinny like bone conduction, it was a very full sound, which I appreciate for heavy music. I am not obsessed with bass but it is necessary to have some when listening to heavy music. The mids and treble were also really good rounded out the experience well.But the sound quality isn’t what sold me on these headphones. I have headphones that sound great, what I didn’t have was headphones that sounded great that I could also run in comfortably. I have a pair of Soundcore Life A2 NCs that I originally bought to run in as some reviews said they were good for that. They are fine, but I found I had to constantly adjust them while running and checked that they weren’t about to fall out. Like most earbuds, for some people they work while running, and some they don’t. The Tozo Openbuds negate that problem by not actually going in your ear, but hooking over your ear and clamping down using the mechanism it has. I did over 3 miles of speed out and not once did I have to adjust these earbuds. They are very light, and also held very strongly in my ears. I could actually focus on running instead of trying to correct their position in my ear.Open buds as opposed to being in ear, the other benefit of safety is fantastic. I was running with one of my training friends, and I could have a full conversation while also hearing when other people called out when cars were coming while running on the road. I of course didn’t have the volume up incredibly loud, but it was still loud enough for me to enjoy while holding a full conversation.I haven’t had these headphones long enough to speak on their longevity, but the build construction seems satisfactory. The battery lasted a whole workout, but considering these advertise substantial amount of runtime, I can’t really comment on that from essentially 5 miles of working out.The touch controls seem to be responsive yet not overly so which I appreciate. Maybe the best way putting it is they are responsive but not overly sensitive. I didn’t use it a lot while running, but it did work quite well. I have use a touch controls while wearing the earbuds around the house and they work really well.Obviously for earbuds of this size, the case is big. This isn’t an issue for me, but if you wanted a case, that was the size of case, you’ll be disappointed. the case is functional though, and is low profile enough to put in your pocket or in a backpack.Will also say that the open buds are quite comfortable to wear. I probably could’ve mentioned this earlier, but they are comfortable and light to wear. I haven’t use these for a half marathon for example, but I imagine they will be fine for a distance like that. They are, at least to me, very comfortable, and didn’t hurt my ears. For at least the short distance I wore them for.I think it goes without saying, but obviously, these are not noise canceling at all. That’s not their purpose, nor is it exactly possible with their design. That is the point though, they’re open so that you can hear the things around you. I know this is an obvious thing to say, but I feel like it should be mentioned at least so people don’t get confused.I haven’t ran into any issues at all with these earbuds. I’ve had no connectivity issues, no sound issues, and no charging issues. As I have owned them for very long, I cannot say there will be no issues, but I am happy with them so far.If you want to have a good pair of earbuds for running that aren’t expensive, I would strongly recommend giving these a try. I personally don’t like the idea of spending over $100 on something that might not even work for me, which is why I bought these. I borrowed a pair of Shokz And didn’t like them at all. They were an older model, so I was tempted to buy the newer ones, but I also didn’t want to spend all that money to just not like them. Spending $50 on these Openbuds seems like a more responsible option, and I am happy I bought them. I understand that earbuds in general come down to the individual wearing them, but I feel that the design of these would work for most people.I obviously have given these five stars. The overall reason I gave The such a high rating is the price was low, the sound quality was high, and I could wear them while running extremely comfortably. I would recommend these to anyone who enjoys running with headphones or working out with headphones. I would also recommend these to anyone who walks to work and wants to be able to hear the world around them.